Microwave cooking tray



FIG. 1 is a perspective view of a microwave cooking tray including our design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a microwave cooking tray, as shown and described. 